本发明涉及一种能够强化液膜湍动的方孔型开槽导流式规整填料。
The invention relates to a square hole-shaped grooving diversion type structured packing which can intensify the turbulent motion of a liquid film.
通过有限元模拟分析和工业试验相结合研究了圆坯和方坯在菱方孔型中的变形规律，对比了方坯进菱孔和圆坯进菱孔轧制时的变形特点。
FEM and industrial rolling test are used to study the deformation behavior of square billet and round billet in diamond and square passes. The deformation for different rolling processes is compared.
为合理利用中间圆孔型轧制方坯工艺规程的制定提供了依据。
The results are helpful to rationally developing rolling procedure for intermediate round pass to roll square billet.
介绍了双焊缝方矩形钢管生产技术的特点及冷弯等边槽钢孔型设计参数。
This paper introduces the producing and technology characteristics of the square and rectangular double-welded seam pipe. And designing of the pass parameters of the cold-bent channel steel.
通过三个初步设计方案的对比，决定采用第三方案既利用旧有孔型、工艺件设计新的轧制工艺。
After the comparison of three preliminary design plans, the third one is adopted, i. e. , designing new rolling process by utilizing old passes and rolling related parts.
通过三个初步设计方案的对比，决定采用第三方案既利用旧有孔型、工艺件设计新的轧制工艺。
After the comparison of three preliminary design plans, the third one is adopted, i. e. , designing new rolling process by utilizing old passes and rolling related parts.
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